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Make the earth more green
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Ideals, committed to achieving the sustainable development of globalization
2024-03-19
2024-03-15
The sound absorption coefficient refers to the ability of a material to absorb sound, and it is a crucial parameter in acoustic materials, which is often used to evaluate how well a material absorbs sound waves at different frequencies, ranging from
2024-03-15
Those who have learned about aerogel know that it is a popular insulation material in recent years, but it is not a new material. Previously, aerogel has been used in aerospace, petrochemical and other fields, the main reason is that aerogel product